4G Voice LTE 3G WCDMA Mobile Phone SIM Card To PSTN Landline Wired Phone Adapter
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4G Voice LTE 3G WCDMA Mobile Phone SIM Card To PSTN Landline Wired Phone Adapter

Item# TEL-SIM400G
$102.00

Product Description

4G LTE 3G WCDMA Mobile Phone SIM Card To PSTN Landline Wired Phone Adapter

3G WCDMA Mobile Phone SIM Card To PSTN Landline Wired Phone Adapter
This 4G voice LTE cellular SIM card to RJ-11 phone jack adapter is a great mobile telephony solution for converting the 3G WCDMA mobile phone signal to PSTN analog dial tone signal.

This device is built with 2 of RJ-11 phone jacks for hookup with any desk phone or corded/cordless phone.

Very suitable for remote or rural areas that do not have landline service while mobile phone network is available.

Users can put in pre-paid or regular SIM card into this device and connected with corded/cordless phone so they can make calls or receive calls through 3G WCDMA and GSM networks.

No need to subscribe to monthly landline service with local phone company.

Save your monthly fee of landline service for phone bill.

This SIM card terminal supports telecom carriers with 4G VoLTE FDD B2, B4, B5, B12, B13, B14, B66/B71 telecom networks or frequency band of 850/900/1900/2100 MHz in North America region.

It is also compatible with WCDMA B2, B4, B5 telecom networks or frequency band of 850/900/1900/2100 MHz and GSM quad band of 850/900/1800/1900 MHz.
[Note]: Please consult with local cellular service carriers for the network system type and band frequency before purchasing this item.

Also a great phone dialer for alarm security system with auto dial function to call out to the monitoring center or home owner when landline is failing or not available for the location.

The main applications for this product including:

  • providing rural or remote areas that do not have landlines with phone jacks through using cellular SIM cards
  • providing phone jacks at locations that are difficult to run phone wires
  • phone dialer for hookup with phone-controlled devices like our remote power switch, security access control system, etc.
  • connecting with security alarm system or motion senor that has call out function for alarm-triggered events
  • connecting with PBX system for call extension or office intercom
  • hookup with VoIP gateway 

[Note]: The 2 phone jacks on this device do not support fax transmission or data modem hookup.

Easy Installation And Operation
This SIM card to PSTN landline module is all plug and play. No programming or configuration needed.

Simply insert an active SIM, mini SIM, nano SIM or micro-SIM card (using SIM adapter) into the SIM slot on the bottom of this unit and then connect with any kind of desk phone.

This unit will be instantly ready for use If you can hear a dial tone from the phone connected after inserting the SIM card into this device

Wide Compatibility Range Support For 4G LTE 3G WCDMA GSM Carriers
This cellular phone to PSTN landline phone adapter supports telecom carriers using 4G LTE, 3G Tri-Band WCDMA and 2G GSM Quad-Band frequency bands including:

  • 4G LTE FDD in the frequency band of 850/900/1900/2100 MHz or FDD B2, B4, B5, B12, B13, B14, B66/B71 telecom networks

  • 3G Tri-Band UMTS/HSDPA/HSUPA in the WCDMA frequency of 850/900/1900/2100 MHz or B2, B4, B5 telecom networks

  • 2G Quad-Band GSM in the frequency of 850/900/1800/1900Mhz

Auto Dialer For Security Alarm System
This device can also be used as phone dialer for those security alarm systems with call-out features.

Once there is any alarm-triggered event, those security systems with auto dialer function can call out through this device to the home owner or monitoring center through this phone adapter when landline is failing or not available for the location.

Caller ID Display 
This 4G/3G SIM to analog PSTN landline phone adapter can display the incoming caller ID or outgoing phone number on the phone screen if available.

This phone adapter also provides a cellular network signal strength bar indicator on the units for visual reference.

Private Telephone Network Or Intercom For Office
When connecting this device with a PBX system, users can create a private phone exchange system for call extension or office intercom used within a company or organization.

Save Monthly Phone Bills
You can use any pre-paid or locked/unlocked SIM card for this device and combined with desk phone as the dialer to make and receive phone calls.

Save the monthly bill of landline service from now on.

No Phone Line Cut-Off By Intruders
No more worry about the thief to tamper with the landline from the outside phone box.

Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.

More importantly, this device saves you the extra fee that the alarm company charge you monthly for wireless radio service. Skip paying for the wireless radio service by using this cellular phone to PSTN landline phone adapter as the dailer for your alarm system.

Rechargeable Lithium Battery For Backup Power Supply And Mobile Use
This phone adapter can be powered from the DC 12V power adapter included. It also has rechargeable lithium battery included for backup power supply or optional mobile use.

One full charge of battery power can hold this device ready in standby mode for up to 5 days.

When the battery LED is flashing, the battery is low in power.

Detachable Antenna Hookup
Users have the option of using a more powerful antenna or adding an antenna amplifier for best reception.

The antenna base has strong magnetic suction so it can stay firmly on any metallic object or surface for flexible mounting with stable reception quality.

  • 4G LTE and 3G WCDMA GSM SIM card to landline PSTN phone adapter with 2 phone sockets for hookup with any regular desk phone or corded/cordless phone.
  • Easy setup. No programming or configuration needed.
  • Users can receive and make phone calls through cellular networks when combing a desk phones or corded/cordless phone with this SIM card to phone jack adapter module.
  • No need to subscribe to landlineservice with local phone company and save the monthly fee.
  • Inserting an unlocked or pre-paid SIM card into this module as the dialer to make and receive phone calls through cellular system.
  • Suitable for remote or rural areas that do not have landline service while mobile phone network is available.
  • Supports SIM cards from cellular carriers adopting 4G VoLTE FDD frequency band of 850/900/1900/2100 MHz.
  • Supports cellular carriers adopting 3G WCDMA band of 850/900/1900/2100 MHz or GSM band of 850/900/1800/1900 MHz.
  • Supports Caller ID display by showing the incoming caller ID or outgoing phone number through the corded or cordless phone used if available.
  • A cellular network signal strength bar indicator is built on the unit for visual reference.
  • Great phone dialer for security alarm system with auto dial function to call out to the monitoring center or home owner when landline failing or not available for the location.
  • Used as a phone dialer for calls out when the alarm goes off.
  • No more cut-off on the phone line by intruders. No worry about the thief to tamper with the landline from outside.
  • Create private phone exchange system for call extension or office intercomwhen connecting this device with a PBX system.
  • Compatible with ordinary telephone set, PBX , VOIP Gateway, Billing meter etc.
  • Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.
  • Saves the extra fee that the alarm company charge you monthly for the wireless radio service by using this device as the dialer.
  • Strong reception through the high gain antenna included with magnetic for flexible mounting and stable reception quality.
  • Provides reversal polarity signal for metering.
  • 12V DC power combined with rechargeable lithium battery for backup power supply or optional mobile use.
  • One full charge of battery power can hold this device ready in standby mode for up to 5 days.
  • Low battery power LED indicator .

  • 4G LTE Band Support: 4G Voice over LTE FDD B2, B4, B5, B12, B13, B14, B66/B71 cellular networks or frequency band of 850/900/1900/2100 MHz in North America region
  • 3G WCDMA Band Support: WCDMA B2, B4, B5 telecom networks or frequency band of 850/900/1900/2100 MHz
  • GSM Quad-Band Support Range: 850/900/1800/1900 MHz
  • SIM Card Support :1.8V, 3V
  • Locking PIN / Network: Optional
  • Phone Jack Interface: RJ-11 port x 2
  • Hanging Voltage: 45V
  • Dial Tone Frequency: 450Hz
  • Antenna Interface: SMA-type antenna with magnetic base
  • Antenna Amplifying: > 5db
  • External Battery Type: rechargeable lithium battery
  • Maximum Battery Standby Time: 5 days
  • Sensitivity: <-104 DBM
  • Transmitting Power: <3W
  • Power Supply : 110~240V AC with DC 12V 1A output

  • SIM card to phone jack adapter module
  • Antenna with magnetic base
  • Power adapter
  • User manual

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